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I am trying to reproduce the look of the micro symbol in the siunitx documentation; see for instance the following picture:

\micro from documentation

However, when compiling the following code:






the mu comes out with serif as in the following picture:

mu from my code

I suppose there is a font issue here but I could find how to solve it by reading the siunitx documentation.

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You can adjust the definition, but why do you expect there to be no serif here? – Joseph Wright Feb 28 '13 at 18:46
Different font, try replacing lmodern with mathpazo. – Torbjørn T. Feb 28 '13 at 18:50
Admitedly serif in a serif text is rather normal. However some people find that the serif on the mu look odd and also (mainly) the mu in the documentation are sans-serif even in serif text. I was wondering how you achieved that. – Alfred M. Feb 28 '13 at 18:50
up vote 4 down vote accepted

In this particular case, you're using a font different to that of the manual. Replace lmodern with mathpazo to get the same font. (This will of course influence the entire document.)

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Finding the 'correct' micro symbol is tricky as a lot of fonts do not include the appropriate (upright, roman font, 'matching') micro or mu. The siunitx package therefore provides two options which control the symbol used here: math-micro and text-micro. These are used to set the symbol in math and text mode, respectively. Simply pick a formulation you like and use \sisetup to activate it

\sisetup{math-micro = <your-choice-here>, text-micro = <your-choice-here>}
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